Plaster failure

Sweet! A free replaster on a 10 year old pool is about as common as rain-free weather for those building pools this spring.
 
It hasn’t even been 5. It started failing about 2 years ago.
I talked to them and they are coming back today to finish. I’m going to let them just do it this way. It’s just easier than fighting and we’ll have it ready for summer. I’ll just likely have to redo it in another 5. It’s still a better option than leaving it the way it was.
 
Well the pool was finally replastered yesterday. I filled it up and now when I run the pump it has a lot of air in it. I tried to fill the pump with water for about 20 minutes but still lots of air in system. It’s got bubbles coming out of the returns and I can see bubbles in the system. When the pump runs for awhile the water level in it goes down.
Any thoughts?
 
Air leak of some kind. Lets start with the easy one. Open the lid on the pump basket and lube the o-ring on it. Use lube made for o-rings. You can buy it at Lowes, Home Depot, or pool stores.

If that does not help we will go through every thing to see if we can find the problem.

Kim:kim:
 

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No. They never did. I decided to have them just do anything so they could go away.
I have already lubed up the O ring real good. It should have a good seal. It’s possible there could be a hairline crack or something.
I did install a new valve while the pool was down which was a tight squeeze to get to and it involved a union but since the union is before the valve, closing it should eliminate air if that was the culprit.
I’m running my pump continuously right now due to the new plaster and would hate to burn it up.
 
What speed are you running your pump?

Your weir door moving freely?

What does the water movement in the skimmer box look like? Is it calm or swirling?
 
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I think I found it. Unfortunately it looks like something that I did. I think the valve that I added is the problem. I think it’s the seal on the valve at the top. That’s why closing it makes no difference. Do you think adding glue around the top might work?
 
That’s what I figured. I was hoping maybe it would stop some of the air from getting in temporarily until I have some free time to try and replace the valve. It was a real pain getting it in there because they didn’t leave any space for couplings anywhere.
 
Here are some pictures of the equipment pad. You can see that most of the fittings are practically touching each other and they didn’t use any unions on the pump.
 

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Which valve is leaking? I assume it is the vertical one with the halve buried union. Correct?
where exactly is it leaking? If it is at a joint then I have had some success with a suction side leak in applying primer then glue to the joint while the pump is running.
 
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